Pedro Martinez vs. Willis Roberts — Career Comparison

Pedro Martinez built a career as a starting pitcher and Willis Roberts as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Pedro Martinez led in strikeout rate (K%+ 141 vs 87), skill-based run prevention (DICE+ 113 vs 94), and run prevention (ERA+ 109 vs 97). Willis Roberts held the edge in home run suppression (HR9+ 113 vs 102). Role difference aside, Pedro Martinez holds a clear edge on every meaningful shared measure.